@Article{blelloch+:triangulations-jfp,
  author = 	 {Guy Blelloch and Hal Burch and Karl Crary and Robert Harper and Gary Miller and Noel Walkington},
  title = 	 {Persistent Triangulations},
  journal = 	 {Journal of Functional Programming},
  year = 	 2001,
  volume =	 {11},
  number =	 {5},
  pages =	 {441--466},
  month =	 {September}
}